[INFO] fetching crate solana_libra_proptest_helpers 0.0.1-sol5...
[INFO] testing solana_libra_proptest_helpers-0.0.1-sol5 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate solana_libra_proptest_helpers 0.0.1-sol5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate solana_libra_proptest_helpers 0.0.1-sol5 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solana_libra_proptest_helpers 0.0.1-sol5
[INFO] finished tweaking crates.io crate solana_libra_proptest_helpers 0.0.1-sol5
[INFO] tweaked toml for crates.io crate solana_libra_proptest_helpers 0.0.1-sol5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2ad210140589a9bd54c393403750120d245c87d425df9c4482499f0e354e327
[INFO] running `Command { std: "docker" "start" "-a" "b2ad210140589a9bd54c393403750120d245c87d425df9c4482499f0e354e327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2ad210140589a9bd54c393403750120d245c87d425df9c4482499f0e354e327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ad210140589a9bd54c393403750120d245c87d425df9c4482499f0e354e327", kill_on_drop: false }`
[INFO] [stdout] b2ad210140589a9bd54c393403750120d245c87d425df9c4482499f0e354e327
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c3cdc03dc637c6ca839101be27189c7343e557fda94612ccc142a8e726a0bc9
[INFO] running `Command { std: "docker" "start" "-a" "5c3cdc03dc637c6ca839101be27189c7343e557fda94612ccc142a8e726a0bc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling solana_libra_proptest_helpers v0.0.1-sol5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.53s
[INFO] running `Command { std: "docker" "inspect" "5c3cdc03dc637c6ca839101be27189c7343e557fda94612ccc142a8e726a0bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3cdc03dc637c6ca839101be27189c7343e557fda94612ccc142a8e726a0bc9", kill_on_drop: false }`
[INFO] [stdout] 5c3cdc03dc637c6ca839101be27189c7343e557fda94612ccc142a8e726a0bc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f10f18aa145c0e09818e7f1584b2e50c612fe6b5d8b431e65a9a50ade1179657
[INFO] running `Command { std: "docker" "start" "-a" "f10f18aa145c0e09818e7f1584b2e50c612fe6b5d8b431e65a9a50ade1179657", kill_on_drop: false }`
[INFO] [stderr]    Compiling solana_libra_proptest_helpers v0.0.1-sol5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/unit_tests/repeat_vec_tests.rs:136:23
[INFO] [stdout]     |
[INFO] [stdout] 136 |         Self::next as (fn() -> Self)
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/unit_tests/repeat_vec_tests.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         mem::replace(&mut self.items, new_items);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "f10f18aa145c0e09818e7f1584b2e50c612fe6b5d8b431e65a9a50ade1179657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10f18aa145c0e09818e7f1584b2e50c612fe6b5d8b431e65a9a50ade1179657", kill_on_drop: false }`
[INFO] [stdout] f10f18aa145c0e09818e7f1584b2e50c612fe6b5d8b431e65a9a50ade1179657
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 524764203c8224fad3a10e475844b9fb1b6471f2ac5bef10dd3b0a01fb1a9a73
[INFO] running `Command { std: "docker" "start" "-a" "524764203c8224fad3a10e475844b9fb1b6471f2ac5bef10dd3b0a01fb1a9a73", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] running 9 tests
[INFO] [stderr]    --> src/unit_tests/repeat_vec_tests.rs:136:23
[INFO] [stderr]     |
[INFO] [stderr] 136 |         Self::next as (fn() -> Self)
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/unit_tests/repeat_vec_tests.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         mem::replace(&mut self.items, new_items);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/solana_libra_proptest_helpers-d3ba6017a572c98a)
[INFO] [stdout] test unit_tests::repeat_vec_tests::basic_ops ... ok
[INFO] [stdout] test unit_tests::repeat_vec_tests::counter_uniqueness ... ok
[INFO] [stdout] test unit_tests::pick_idx_tests::bounds ... ok
[INFO] [stdout] test unit_tests::pick_idx_tests::length ... ok
[INFO] [stdout] test unit_tests::pick_idx_tests::uniqueness ... ok
[INFO] [stdout] test unit_tests::repeat_vec_tests::repeat_vec_all_ops ... ok
[INFO] [stdout] test unit_tests::growing_subset_tests::max_len ... ok
[INFO] [stdout] test unit_tests::growing_subset_tests::pick_valid ... ok
[INFO] [stderr]    Doc-tests solana_libra_proptest_helpers
[INFO] [stdout] test unit_tests::repeat_vec_tests::repeat_vec_gets ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.77s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/repeat_vec.rs - repeat_vec::RepeatVec<T>::is_empty (line 80) ... ok
[INFO] [stdout] test src/growing_subset.rs - growing_subset::GrowingSubset (line 17) ... ok
[INFO] [stdout] test src/repeat_vec.rs - repeat_vec::RepeatVec (line 35) ... ok
[INFO] [stdout] test src/repeat_vec.rs - repeat_vec::RepeatVec (line 20) ... ok
[INFO] [stdout] test src/lib.rs - with_stack_size (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "524764203c8224fad3a10e475844b9fb1b6471f2ac5bef10dd3b0a01fb1a9a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524764203c8224fad3a10e475844b9fb1b6471f2ac5bef10dd3b0a01fb1a9a73", kill_on_drop: false }`
[INFO] [stdout] 524764203c8224fad3a10e475844b9fb1b6471f2ac5bef10dd3b0a01fb1a9a73